The Effect of Mineral and Organic Fertilization on Common Osier (Salix viminalis L.) Productivity and Qualitative Parameters of Naturally Acidic Retisol

One of the potential options for sewage sludge as an alternative organic material is the fertilization of energy crops. To evaluate the effect of granulated sewage sludge and mineral fertilization N60P60K60 on common osier’s (Salix viminalis L.) biomass productivity and soil parameters, field trials...

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Bibliographic Details
Published in:Agriculture (Basel) 2021-01, Vol.11 (1), p.42
Main Authors: Šiaudinis, Gintaras, Karčauskienė, Danutė, Aleinikovienė, Jūratė, Repšienė, Regina, Skuodienė, Regina
Format: Article
Language:English
Subjects:
Aggregates
Agricultural production
Biomass
Bulk density
Carbon
common osier
Crops
Cultivation
Dry matter
dry matter yield
Energy
Energy crops
Experiments
Fertilization
Fertilizers
Granulation
Heavy metals
Loam soils
Microorganisms
Mineral fertilizers
Nitrogen
Nutrients
Organic carbon
Organic fertilizers
Organic soils
Parameters
Phosphorus
Phosphorus pentoxide
Pollutants
Potassium
Productivity
Salix viminalis
Sewage sludge
Sludge
soil bulk density
soil chemical parameters
Soil density
Soil layers
Soil water
Soils
Statistical analysis
Variance analysis
water-stable aggregates
Willow
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Summary:One of the potential options for sewage sludge as an alternative organic material is the fertilization of energy crops. To evaluate the effect of granulated sewage sludge and mineral fertilization N60P60K60 on common osier’s (Salix viminalis L.) biomass productivity and soil parameters, field trials were held in Western Lithuania’s naturally acidic Retisol (WB 2014; pHKCl 4.35–4.58). After four years of cultivation and dependent on fertilization type, common osier dry matter (DM) yield varied from 49.60 to 77.92 t ha−1. Higher DM yield was related to an increased number of stems/plants. The application of a 90 t ha−1 sewage sludge rate had a significant and positive impact on common osier productivity, as well as on the increment of soil organic carbon, total N, and mobile P2O5 content in the upper 0–30 cm soil layer. The use of both sewage sludge rates (45 and 90 t ha−1) had a similar impact on soil bulk density, water-stable aggregates, and the active soil microbial biomass. Annual mineral fertilization had little effect on the parameters studied. When growing common osier in Retisol, 45 t ha−1 of a single sewage sludge rate was enough to maintain both plant and soil productivity.
ISSN:2077-0472
2077-0472
DOI:10.3390/agriculture11010042